This is covered in read this before making a general support topic
"Unfortunately, this is a server-side glitch that can happen from time to time. Whenever this occurs, you have to wait until the next server reboot to play again.We have daily reboot also. Sorry for the inconvenience.
In the rare case, this issues cause by your low connection when you play game and got disconnect, and can potential solved by close completely client and open again. If not solved, you will need wait to reboot."
You can still play on the other 2 servers until your server has been rebooted
If you're unhappy about how any of your reports are handled, feel free to comment on them stating so it can be addressed :)